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产品型号: WRER2-15
所属分类:装配式热电偶
产品时间:2024-07-16
简要描述:WRER2-15|低温低压热电偶常温绝缘电阻的试验电压为直流500V。测量常温绝缘电阻的大气条件为:温度15~35℃,相对湿度45%,大气压力86~106Kpa。对于长度超过1米的热电偶,它的常温绝缘电阻值与其长度的乘积不小于100兆欧·米
类别 | 代号 | 分度号 | 测温范围℃ | 精度等级 | 允许偏差△t |
镍铬-镍硅 | WRNT | K | 0-800 | I | ±1.5℃或±0.004∣t∣ |
II | ±2.5℃或±0.0075∣t∣ | ||||
镍铬-铜镍 | WRET | E | 0-600 | I | ±1.5℃或±0.004∣t∣ |
II | ±2.5℃或±0.0075∣t∣ | ||||
铜-铜镍 | WRCT | T | -40-350 | I | ±0.5℃或±0.004∣t∣ |
II | ±1℃或±0.75%t | ||||
铂电阻 | WZPT | Pt100 | -200-500 | * | ±(0.15+0.002∣t∣) |
B级 | ±(0.30+0.005∣t∣) | ||||
铜电阻 | WZCT | Cu50 | -50-100 | II | ±(0.30+6.0X10-3t) |